A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
  1. Macclesfield 1832-
  2. Maidenhead 1997-
  3. Maidstone 1660-1997
  4. Maidstone and The Weald 1997-
  5. Makerfield 1983-
  6. Maldon 1660-1983
  7. Maldon and Chelmsford East 1997-
  8. Mallow 1802-1885
  9. Malmesbury 1660-1885
  10. Malton 1660-1885
  11. Manchester 1832-1885
  12. Manchester Ardwick 1918-1983
  13. Manchester Blackley 1918-
  14. Manchester Central 1974-
  15. Manchester Cheetham 1950-1974
  16. Manchester Clayton 1918-1955
  17. Manchester East 1885-1918
  18. Manchester Exchange 1918-1974
  19. Manchester Gorton 1918-
  20. Manchester Hulme 1918-1950
  21. Manchester Moss Side 1918-1983
  22. Manchester North 1885-1918
  23. Manchester North East 1885-1918
  24. Manchester North West 1885-1918
  25. Manchester Openshaw 1955-1983
  26. Manchester Platting 1918-1950
  27. Manchester Rusholme 1918-1950
  28. Manchester South 1885-1950
  29. Manchester South West 1885-1918
  30. Manchester Withington 1918-
  31. Manchester Wythenshawe 1950-1997
  32. Mansfield 1885-
  33. Marlborough 1660-1885
  34. Marylebone 1832-1885
  35. Marylebone East 1885-1918
  36. Marylebone West 1885-1918
  37. Mayo 1802-1885
  38. Mayo East 1885-1922
  39. Mayo North 1885-1922
  40. Mayo South 1885-1922
  41. Mayo West 1885-1922
  42. Meath 1802-1885
  43. Meath North 1885-1922
  44. Meath South 1885-1922
  45. Medway 1885-
  46. Meirionnydd Nant Conwy 1983-
  47. Melton 1885-1983
  48. Meriden 1950-
  49. Merioneth 1974-1983
  50. Merionethshire 1660-1974
  51. Merthyr Tydfil 1950-1983
  52. Merthyr Tydfil 1832-1918
  53. Merthyr Tydfil Aberdare 1918-1950
  54. Merthyr Tydfil Merthyr 1918-1950
  55. Merthyr Tydfil and Rhymney 1983-
  56. Merton Mitcham and Morden 1974-1983
  57. Merton and Morden 1950-1974
  58. Mid-Ulster 1950-1974
  59. Middlesbrough 1832-1918
  60. Middlesbrough 1983-
  61. Middlesbrough East 1918-1974
  62. Middlesbrough South and Cleveland East 1997-
  63. Middlesbrough West 1918-1974
  64. Middlesex 1660-1885
  65. Middleton 1885-1918
  66. Middleton and Prestwich 1918-1983
  67. Midhurst 1660-1885
  68. Midlothian 1955-
  69. Midlothian and Peeblesshire 1950-1955
  70. Midlothian and Peeblesshire Northern 1918-1950
  71. Milborne Port 1660-1832
  72. Milton Keynes 1983-1992
  73. Milton Keynes North East 1992-
  74. Milton Keynes South West 1992-
  75. Minehead 1660-1832
  76. Mitcham 1918-1974
  77. Mitcham and Morden 1983-
  78. Mitchell 1660-1832
  79. Mole Valley 1983-
  80. Monaghan 1801-1885
  81. Monaghan North 1885-1922
  82. Monaghan South 1885-1922
  83. Monklands East 1983-1997
  84. Monklands West 1983-1997
  85. Monmouth 1918-
  86. Monmouth District of Boroughs 1660-1918
  87. Monmouthshire 1660-1885
  88. Monmouthshire Northern 1885-1918
  89. Monmouthshire Southern 1885-1918
  90. Monmouthshire Western 1885-1918
  91. Montgomery 1974-1997
  92. Montgomery District of Boroughs 1660-1918
  93. Montgomeryshire 1660-1974
  94. Montgomeryshire 1997-
  95. Montrose District of Burghs 1832-1950
  96. Moray 1983-
  97. Moray and Nairn 1974-1983
  98. Moray and Nairnshire 1918-1974
  99. Morecambe and Lonsdale 1950-1983
  100. Morecambe and Lunesdale 1983-
  101. Morley 1885-1918
  102. Morley and Rothwell 1997-
  103. Morpeth 1660-1983
  104. Mossley 1918-1950
  105. Motherwell 1918-1974
  106. Motherwell North 1983-1997
  107. Motherwell South 1983-1997
  108. Motherwell and Wishaw 1974-

2,145 constituencies in total